[PATCH v9 3/7] iommu/mediatek: Adjust mtk_iommu_config flow

AngeloGioacchino Del Regno angelogioacchino.delregno at collabora.com
Fri Mar 17 02:34:29 PDT 2023


Il 17/03/23 09:55, Yong Wu ha scritto:
> From: "Chengci.Xu" <chengci.xu at mediatek.com>
> 
> If there are many ports in a infra master, current flow will update
> the INFRA register many times. This patch saves all ports to portid_msk
> in the front of mtk_iommu_config(), then update only once for the IOMMU
> configure. After this, we could avoid send too many SMC calls to ATF in
> MT8188.
> 
> Prepare for MT8188, also reduce the indention without functional change.
> 
> Signed-off-by: Chengci.Xu <chengci.xu at mediatek.com>
> Signed-off-by: Yong Wu <yong.wu at mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>





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